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113688840 = 2335947407
BaseRepresentation
bin1101100011011…
…00000100001000
321220220222202210
412301230010020
5213101020330
615140425120
72550224226
oct661540410
9256828683
10113688840
11591a1121
12320a81a0
131a727405
1411155b16
159eaa8b0
hex6c6c108

113688840 has 32 divisors (see below), whose sum is σ = 341066880. Its totient is φ = 30316992.

The previous prime is 113688829. The next prime is 113688847. The reversal of 113688840 is 48886311.

It is not an unprimeable number, because it can be changed into a prime (113688847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473584 + ... + 473823.

It is an arithmetic number, because the mean of its divisors is an integer number (10658340).

Almost surely, 2113688840 is an apocalyptic number.

113688840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113688840 is an abundant number, since it is smaller than the sum of its proper divisors (227378040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113688840 is a wasteful number, since it uses less digits than its factorization.

113688840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947421 (or 947417 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 113688840 is about 10662.4968933172. The cubic root of 113688840 is about 484.4392001758.

The spelling of 113688840 in words is "one hundred thirteen million, six hundred eighty-eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 947407 1894814 2842221 3789628 4737035 5684442 7579256 9474070 11368884 14211105 18948140 22737768 28422210 37896280 56844420 113688840